
كيمياء تحصيلي
Authored by yy uu
Chemistry
12th Grade
Used 1+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
اي المعادلات لا يمثل عمليه اكسده
Ag(s) —> Ag+( aq) + e-
Hg²+(aq) +2e- —> Hg(I)
Al³+(aq) +3e- —> Al(s)
Mg²+(aq)+2e- —> mg(s)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
في التفاعل :
Mno2 + Fe³+ —>( Mno4-) + Fe²+
المنجنيز يتأكسد
الحديد يتأكسد
المنجنيز يختزل
الاكسجين يتأكسد
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
اي التالي يمثل نصف التفاعل
Fe(s) —> Fe²+(aq) + 2e‐
الحديد عامل مختزل
الحديد عامل مؤكسد
نقص عدد تأكسد ذره الحديد
ذره الحديد اكتسبت إلكترونين
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
اي التالي يمثل معادله نصف تفاعل صحيحه
Ag+ ( aq) —> Ag(s) + e-
Hg²+(aq) —> Hg(I) + 2e-
2O²- (aq) +2e- —> O2(g)
Cu(s) —> Cu²+(aq) 2e-
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
عدد تأكسد الحديد في
FeO
+3
-3
+2
-2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
عدد تأكسد Cr في مركب
K2Cr2O7
-12
+12
-6
+6
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